pIn an ageing society, developing high-quality healthcare for older people becomes increasingly important. This revised and updated fourth edition focuses on the key aspects of ageing and healthcare for older people, especially those with moderate to severe frailty. It has expanded sections on the key topics of frailty and medicines optimisation with evidence from critically appraised clinical trials formulated into practical guidance for management. It details the non-pharmacological management of cognitive disorders and models of person-centred care. Additional topics of acute coronary syndromes and COVID-19 have also been added in this comprehensive text for healthcare professionals.pb pKey Featuresp ulb p liProvides practical therapeutic advice including deprescribing decisions for all medication types.li pp p liPresents statistics in more clinically meaningful ways - i.e. number needed to treat and no p-values, to aid the process of shared decision-making for clinicians and profes